Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
chat tuc » chat xuc, chat huu, chat cua
luat tuc » luat thue
van hanh » van thanh, ban hanh, van anh
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang x hoi. lieu va ((chat tuc) OR (luat tuc)) ((va danh) OR (van hanh)) di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang x hoi. lieu va ((chat tuc) OR (luat tuc)) ((va danh) or (van hanh)) di cua tre~".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang x hoi. lieu va ((chat tuc) OR (luat tuc)) ((va danh) or (van hanh)) di cua tre*.